47165825 has 12 divisors (see below), whose sum is σ = 66840960. Its totient is φ = 32342160.

The previous prime is 47165821. The next prime is 47165827. The reversal of 47165825 is 52856174.

47165825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47165825 - 2² = 47165821 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47165821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134585 + ... + 134934.

It is an arithmetic number, because the mean of its divisors is an integer number (5570080).

Almost surely, 2^47165825 is an apocalyptic number.

It is an amenable number.

47165825 is a deficient number, since it is larger than the sum of its proper divisors (19675135).

47165825 is a wasteful number, since it uses less digits than its factorization.

47165825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269536 (or 269531 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 47165825 is about 6867.7379827713. The cubic root of 47165825 is about 361.3065308259.

The spelling of 47165825 in words is "forty-seven million, one hundred sixty-five thousand, eight hundred twenty-five".